Fifth Effect Studios

Fifth Effect is a Detroit-based Shopify development and design agency helping growing brands build high-performing, conversion-driven online stores. We combine custom Shopify development, data-backed UX/UI design, and advanced conversion rate optimization (CRO) to deliver measurable business results. Our approach focuses on increasing revenue per visitor, improving user journeys, and creating fast, scalable storefronts that support long-term growth. From custom theme development to ongoing optimization and technical strategy, every solution is aligned with your revenue goals. More than a development agency, we act as a proactive partner—continuously improving performance, launching new features, and identifying growth opportunities. With flexible engagement models and a senior-level team, Fifth Effect provides the expertise and agility brands need to scale efficiently in a competitive eCommerce landscape.